How to make show cards; a practical treatise for the use of retail merchants and their clerks T Technology
How to obtain a patent and what to invent; a complete hand-book of advice and useful information for inventors, relative to Patent office procedure, foreign patents, trademarks and copyrights T Technology
How to pay for the Hoosac tunnel, by fixing the terminus of the tunnel line on the South Boston flats belonging to the commonwealth T Technology
How to run engines and boilers. with a new section on water-tube boilers; practical instruction for young engineers and steam users T Technology
How to teach kitchen garden; or, Object lessons in household work, including songs, plays, exercises, and games illustrating household occupations T Technology
How to understand the reading of blue print drawings, the fundamental principles simply explained T Technology
